Finding the Third Proportional to 1,139,424 and 1,763,721

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,424 : 1,763,721 = 1,763,721 : x
2. Step 2: Convert to fraction form
   1,139,424/1,763,721 = 1,763,721/x
3. Step 3: Cross multiply
   1,139,424x = 1,763,721 × 1,763,721
4. Step 4: Simplify right side
   1,139,424x = 3,110,711,765,841
5. Step 5: Solve for x
   x = 3,110,711,765,841/1,139,424
6. Step 6: Final answer
   x = 2,730,073.94